Related Clues:

• Jailbird
• Prisoner of war, e.g.
• Political prisoner
• Pen pal?
• Guantánamo prisoner, e.g.
• Hoosegow occupant
• Imprisoned
• Locked up
• Ward denizen
• In chains
• See 17 Across
• Bad thing to be held
• Political prisoner, e.g.
• One used to exert pressure
• Terrorists' prisoner